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1. (WO2018076183) DATA TRANSMISSION METHOD, APPARATUS AND SYSTEM

Pub. No.:    WO/2018/076183    International Application No.:    PCT/CN2016/103301
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Wed Oct 26 01:59:59 CEST 2016
IPC: H04L 29/06
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors: WEI, Anni
韦安妮
Title: DATA TRANSMISSION METHOD, APPARATUS AND SYSTEM
Abstract:
Provided in the embodiments of the present invention are a data transmission method, apparatus and system, which belong to the field of Internet technology. The method comprises: an intermediate device receiving a first data transmission message carrying first data sent by a first device, the first data being target data encrypted by a first encryption key; the intermediate device decrypting the first data, on the basis of a first decryption key negotiated by the first device with the intermediate device, to obtain the target data, and performing a preset data processing of the target data; the intermediate device encrypting the data-processed target data, on the basis of a second encryption key negotiated by the second device with the intermediate device, to obtain second data; the intermediate device sending, to the second device, a second data transmission message carrying the second data. The present invention enables the intermediate device to work normally.